--- a/mercurial/commands.py	Mon Dec 24 01:50:07 2007 +0100
+++ b/mercurial/commands.py	Mon Dec 24 12:14:43 2007 +0100
@@ -26,17 +26,23 @@
     If no names are given, add all files in the repository.
     """
 
+    rejected = None
+    exacts = {}
     names = []
-    for src, abs, rel, exact in cmdutil.walk(repo, pats, opts):
+    for src, abs, rel, exact in cmdutil.walk(repo, pats, opts,
+                                             badmatch=util.always):
         if exact:
             if ui.verbose:
                 ui.status(_('adding %s\n') % rel)
             names.append(abs)
+            exacts[abs] = 1
         elif abs not in repo.dirstate:
             ui.status(_('adding %s\n') % rel)
             names.append(abs)
     if not opts.get('dry_run'):
-        repo.add(names)
+        rejected = repo.add(names)
+        rejected = [p for p in rejected if p in exacts]
+    return rejected and 1 or 0
 
 def addremove(ui, repo, *pats, **opts):
     """add all new files, delete all missing files

--- a/mercurial/localrepo.py	Mon Dec 24 01:50:07 2007 +0100
+++ b/mercurial/localrepo.py	Mon Dec 24 12:14:43 2007 +0100
@@ -1010,12 +1010,14 @@
     def add(self, list):
         wlock = self.wlock()
         try:
+            rejected = []
             for f in list:
                 p = self.wjoin(f)
                 try:
                     st = os.lstat(p)
                 except:
                     self.ui.warn(_("%s does not exist!\n") % f)
+                    rejected.append(f)
                     continue
                 if st.st_size > 10000000:
                     self.ui.warn(_("%s: files over 10MB may cause memory and"
@@ -1025,12 +1027,14 @@
                 if not (stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode)):
                     self.ui.warn(_("%s not added: only files and symlinks "
                                    "supported currently\n") % f)
+                    rejected.append(p)
                 elif self.dirstate[f] in 'amn':
                     self.ui.warn(_("%s already tracked!\n") % f)
                 elif self.dirstate[f] == 'r':
                     self.dirstate.normallookup(f)
                 else:
                     self.dirstate.add(f)
+            return rejected
         finally:
             del wlock
 

--- a/tests/test-add	Mon Dec 24 01:50:07 2007 +0100
+++ b/tests/test-add	Mon Dec 24 12:14:43 2007 +0100
@@ -11,7 +11,7 @@
 echo b > b
 hg add -n b
 hg st
-hg add b
+hg add b || echo "failed to add b"
 hg st
 echo % should fail
 hg add b
@@ -40,3 +40,9 @@
 echo a > a
 hg add a
 hg st
+
+hg add c && echo "unexpected addition of missing file"
+echo c > c
+hg add d c && echo "unexpected addition of missing file"
+hg st
+

--- a/tests/test-add.out	Mon Dec 24 01:50:07 2007 +0100
+++ b/tests/test-add.out	Mon Dec 24 12:14:43 2007 +0100
@@ -27,3 +27,7 @@
 % issue683
 R a
 M a
+c does not exist!
+d does not exist!
+M a
+A c

--- a/tests/test-dispatch.py.out	Mon Dec 24 01:50:07 2007 +0100
+++ b/tests/test-dispatch.py.out	Mon Dec 24 12:14:43 2007 +0100
@@ -1,7 +1,7 @@
 running: init test1
 result: None
 running: add foo
-result: None
+result: 0
 running: commit -m commit1 -d 2000-01-01 foo
 result: None
 running: commit -m commit2 -d 2000-01-02 foo

--- a/tests/test-notfound.out	Mon Dec 24 01:50:07 2007 +0100
+++ b/tests/test-notfound.out	Mon Dec 24 12:14:43 2007 +0100
@@ -2,5 +2,5 @@
 found: No such file or directory
 not: No such file or directory
 Is there an error message when trying to add non-existing files?
-found: No such file or directory
-not: No such file or directory
+found does not exist!
+not does not exist!